Source: US. Bureau of Economic Analysis
Autos defined as all passenger cars, including station wagons. Foreign sales are all U.S. sales of vehicles not produced in the U.S., Canada, or Mexico.
US. Bureau of Economic Analysis, Motor Vehicle Retail Sales: Foreign Autos [FAUTOSA], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/FAUTOSA, December 5, 2016.